?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Jiew%2C+Fui+Fong&rft.aufirst=Fui+Fong&rft.aulast=Jiew&rft.volume=17&rft.issue=1&rft.issn=1551-3440&rft.atitle=Supportive+and+problematic+conceptions+in+making+sense+of+multiplication%3A+A+case+study&rft.date=1+January+2020&rft.title=Mathematics+Enthusiast&rft.genre=article